package com.utils;

import java.util.Arrays;

public class StringUtil {
	public static boolean tf(String str) {
		if(!"".equals(str)&&str!=null)
		return true;
		return false;
	}
	public static String [] concat(String [] first, String [] second) {
		String [] result = Arrays.copyOf(first, first.length + second.length);
		  System.arraycopy(second, 0, result, first.length, second.length);
		  return result;
		}
}
